Sounds like the chair I sit in everyday 9 to 5..... forget stepping on toes, wear your combat boots and make it hurt! Things change, Chairs change, they owe you respect. Not very many people would take up a position that was held by the same person for so long. There should be a rule about being in the same position too long.....
You have nothing to lose by simply requesting that you need more documentation in order to effectively accomplish your tasks. Make her write down what she needs from you. If it's not written, it doesn't get done....shucks....
If they refuse or still give you grief, tell em to kiss your grits and let them do it themselves! I'm sure you have far better things to occupy your time
